A software update from cybersecurity firm CrowdStrike caused Microsoft Windows systems worldwide to crash, causing disruptions in multiple sectors including finance, healthcare, and transportation. Highlighting this as possibly the largest IT outage in history, the GAO has expressed concerns about IT vulnerabilities and poor cyber hygiene, emphasizing a need for more preventative measures. This incident highlights vulnerabilities similar to those seen in the 2019 SolarWinds attack. The GAO advocates for better management of the global supply chain against emerging threats.

British IT worker jailed for revenge attack on employer that caused a “ripple effect of disruption” for colleagues and customers
Summarize this content to a maximum of 60 words: West Yorkshire man Mohammed Umar Taj was suspended from his job in Huddersfield in July 2022,